baber/WOPTO huggingface dataset:
Patent GB-1179774-A (GB)
Title: Electrostatic Recording Method and Apparatus
IPC: G03G15/32
Filed: 1967-06-23
Abstract: 1,179,774. Electrostatic recording apparatus. RANK XEROX Ltd. 23 June, 1967 [24 June, 1966], No. 29213/67. Heading H4F. The Specification states that in prior art electrostatic recording apparatus, employing a recording stylus of width W, Fig. 3, moving with velocity V over the recording medium, two video pulses 20, 21 of duration t 1  are recorded on the recording medium as two overlapping merging regions of electrostatic charge 30, respectively of widths W + Vt 1 . To overcome this merging of charge regions, the video pulses are reduced in duration prior to their application to the recording stylus by an amount corresponding to the width W. The reduction may be carried out by feeding the video pulse A, Figs. 4, 5, to an AND gate 40 together with the video pulse C delayed by multivibrator 42 and 30 Kc/s. timing pulses B. The output of the AND gate, corresponding to the overlapping of the video pulses, is shown at D; which output, after rectification at 54, produces the desired reduced video pulse F.
Patent GB-254956-A (GB)
Title: Improvements in or relating to variable speed gears
IPC: F16H61/02
Filed: 1925-11-19
Abstract: 254,956. Lescarts, F. Nov. 19, 1925. Variable-speed gearing comprises a friction clutch C thrown into action intermittently by the differential motion of driving and driven shafts 1, 2 in such a manner as to produce automatic variation. The clutch may comprise plates 7, 8 keyed respectively upon a boss 6 fast on the shaft 1 and inside a drum 3 fast on the shaft 2. The intermittent engagement of the clutch is effected by a cam 16 carried by planetary or differential pinions 12 meshing with sun gears 13 upon the driving and driven shafts. The cam 16, which turns at a speed proportional to the lost revolutions stubs between a clutch presser plate 10 and an abutment ring 18 which can be released to disconnect the drive.
Patent GB-773050-A (GB)
Title: Pipe connection for a throughflow appliance such as a gas meter
IPC: G01F15/18
Filed: 1955-10-14
Abstract: 773,050. Pipe connections; junction pieces. KROMSCHRODER AKT.-GES., G. Oct. 14, 1955 [Nov. 13, 1954], No. 29331/55. Class 99(1) In a connection between a through-flow appliance 5, e.g. a gas meter, having coaxial inlet and outlet conduits forming a coupling element 2, and an adaptor 1, having corresponding coaxial conduits forming a coupling element 4, there being packing 3 located between the elements, a ring 6 secures the packing against axial and radial displacement on the coupling element of either the meter or adaptor. The ring 6 has a cylindrical part 8 which engages frictionally around one of the elements and an inturned flange 9 which overlies the packing, the outer diameter of the packing being smaller than the inner diameter of the part 8 of the ring. As shown, a union nut 7 carried by the element 4 screws on to the element 2 to clamp together the meter and adaptor, and the packing 3 comprises two rings connected by radial bridge-pieces 10.
Patent GB-697208-A (GB)
Title: Improvements in or relating to transducing heads for magnetic sound recording or reproducing apparatus
Inventor: PAYNE EDWIN MALCOLM
IPC: G11B17/028
Filed: 1948-12-02
Abstract: 697,208. Magnetic sound recording or reproducing apparatus. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Nov. 19, 1949 [Dec. 2, 1948], No. 29342/51. Divided out of 697,161. Class 40 (ii). A magnetic transducing head for use with apparatus described in Specification 697,161, comprising a magnetic core 7 with non-magnetic gaps 9, 10, Fig. 4, clamped between a non-magnetic member 14 and an insulating member 13, has projecting segments 16, 15 on one or both of the members to protect the edge 12 of the core from wear. Specification 649,260 also is referred to.
Patent GB-338287-A (GB)
Title: Improvements in seed sowing machines
IPC: A01C7/12
Filed: 1929-09-28
Abstract: 338,287. Jeffery, A., and Howard, J. S. Sept. 28, 1929. Seed drills.-A rotary feeder or distributer for a seed sower comprises a number of bell-crank, T- or L-shaped pallets pivoted at or near the junction of their arms between two side plates or discs in a casing, so as to form adjustable pockets for the reception of the seeds. The flat circular casing 1 is provided with an upwardly projecting hopper 2 and a downwardly projecting delivery mouth 3. The side pla,tes 4, 5 are connected by bolts and are angularly adjustable with regard to a disc or the like 6 fixed on a driven shaft 7. They are secured by a bolt passing through a plate 10 clamped on the shaft 7 and a slotted plate 8 on a sleeve projecting from the plate 4. The pallets 12 have curved outer arms provided with recesses 13. Their inwardly projecting arms are slotted to engage projections 16 on the disc 6 so that relative movement of the disc 6 and side plates 4, 5 adjusts the size of the pockets of which the recessed arms! form the bottoms. A number of sowers on a shaft may be adjusted simultaneously by a partial rotation of the shaft.
Patent GB-536142-A (GB)
Title: Improvements in building walls and glass block for use therein
IPC: E04C1/42
Filed: 1939-11-06
Abstract: 536,142. Glazed building blocks. ROLPH, T. W. Nov. 6, 1939, No. 29459. [Class 87 (i)] Glass blocks for light transmitting walls are of hollow construction and provided with longitudinally extending light-directing refracting or reflecting means so that downwardly slanting light from outside is deflected upwards on the interior ceiling where it is dispersed into the room. In the form shown in Fig. 4 the sides of the block are provided on the inside with refracting prisms 17 and 18 which deflect the light in the direction 21 on to the ceiling C and in another form, Fig. 5, one side has reflecting prisms 23 directing the light in the direction 25. In another form the base of the hollow block is provided with a metal reflecting surface whilst Fig. 8 shows a modification having a bottom wall 35 provided with prisms 40 and a bottom reflecting face 41, a diaphragm 43 preventing mortar from contacting with the bottom of the block. A further modification, Fig. 11, has refracting prisms 60 on the block sides and a reflecting plate 62.
Patent GB-450526-A (GB)
Title: Machine for producing flat bags
IPC: B31B29/00
Filed: 1934-10-16
Abstract: 450,526. Making paper bags. ATELIERS DE CONSTRUCTIONS MECANIQUES C. & A. HOLWEG, 42, Rue Jacques Kable, Strasbourg, France. Oct. 16, 1934, No. 29636. Void [Abridged as open to inspection under Sect. 91 of the Acts, April 17, 1935]. [Class 94 (ii)] A web of paper is formed into a tube at 20, and sections removed therefrom by a rotary cutter 21, are fed by belt and cylinder system 22 to a quicker moving drum 1 which separates the elementary bag tubes. Fingers 4, operated by a cam 8 through a roller and crank 6, 7, engage over each tube, while a rotating finger 12, whose centre follows an elliptical path, enters the open forward end of the tube, opened by a suction device 10, 11 and lays it back over the fingers 4 to form the diamond bottom. Roller 23 presses the opened bottom and the bag element, which is then handed on to drum 1<1>, is gripped by grippers 27, the forward corner of the diamond bottom being folded over. Gum is then applied by a device 20 ... 25 and further rotary fingers 4, arranged in pairs on each side of the bag, at the unfolded rear corner of the diamond bottom, effect the folding over thereof by their relative motion. The formed bottom is pressed at 28, 29 and the completed bags delivered at 30. The various parts are adjustable for making bags of different widths and lengths.
Patent GB-1196955-A (GB)
Title: Method and Apparatus for treating Plasticizable Materials in a Worm Machine
IPC: B29C48/38
Filed: 1967-06-27
Abstract: 1,196,955. Screw extrusion machines. BUSS A.G. 27 June, 1967 [27 June, I9 No. 29637/67. Heading B5A. [Also in Division B1] Material, e.g. a polyolefin, fed from hopper 5 to a screw extrusion machine is first plasticized mainly by the mechanical working of screw portion 24 before being fed to screw portion 25 where the material traverses a relatively narrow passageway between the screw and barrel and is heated predominantly by an induction heater 13, the viscosity of the material now being sufficiently low to eliminate frictional effects. A further induction heater 10 is provided, but is only used initially, particularly when the starting material is powdery. Plasticization may be effected in an inert atmosphere by admitting, e.g. nitrogen, to the barrel from conduits 7-9. The screw may be reciprocated as well as rotated, in which case the screw flight is preferably intermittent and the barrel provided internally with teeth. An axially adjustable throttle 19 varies the output, which as shown is to a crosshead comprising a cooled barrel 17, screw 18 and a multi-orificed die (30), Fig. 2 (not shown), associated with granulating means comprising a rotating knife (31) and collection chamber (32). A cooling chamber 22 surrounds throttle 19. The method of the invention could be carried out by arranging two screw extrusion machines in series.
Patent GB-1382023-A (GB)
Title: Measuring twist-tube speed
IPC: G01P3/488
Filed: 1973-06-22
Abstract: 1382023 Measuring twist-tube speed HEBERLEIN & CO AG 22 June 1973 [26 June 1972] 29688/73 Heading D1F [Also in Division G1] In a process for measuring the speed of revolution of the twist-tube 1 of a false twist apparatus, in which the twist tube rotates about a fixed axis and is formed with a bore, such as a threading hole 6, extending through the twist tube transversely of said axis, there is provided an induction coil 4 wound on a bar 4a to form a probe which is directed so that the coil axis lies to one side of the twist tube, approximately in the plane in which the said bore rotates. A magnet 3 attracts the twist tube against drive wheels 2. As a result of the orientation of the coil towards a point lying beside the twist tube, the field lines of force emanating from the twist head 5 intersect the coil obliquely so that stray signals due for example to balancing holes in the twist tube, are suppressed and only signals due to the bore 6 are received with the amplitude necessary for evaluation. In the embodiment of Fig. 2 (not shown) a probe magnet (8) is provided whilst in the embodiment of Figs. 3, 4 (not shown) the coil is wound directly onto the magnet (8a) which is arranged so that its front edge is approximately in line with the twist tube diameter (D) extending perpendicularly to the probe axis.
Patent GB-498259-A (GB)
Title: Improved process for opening up materials containing cellulose
IPC: D21C1/04
Filed: 1937-10-30
Abstract: Cellulose materials such as wood meal or shavings are opened up by thoroughly moistening them with a concentrated aqueous solution of a halogen hydride and subsequently treating them with halogen hydride in presence of an organic liquid which is a solvent for the halogen hydride.  Preferably the cellulose material is dried prior to treatment with the aqueous acid solution or prior to treatment with the organic liquid solution of the acid.  Hydrochloric acid is the preferred halogen hydride. In an example, small pieces of dried wood are sprayed in a mixer with a strong solution of hydrogen chloride in water.  After standing for several hours the wood is placed in a cool mixture of benzine and carbon tetrachloride in a pressure vessel with stirrer and circulating pump.  Hydrogen chloride gas is introduced and the pressure is increased, the wood being stirred continuously. After several hours the pressure is released and the hydrogen chloride and solvent are removed from the wood.
Patent GB-493482-A (GB)
Title: An improved rotary valve internal combustion engine
IPC: F01L7/02
Filed: 1937-11-01
Abstract: 493,482. Valves ; cylinders. McLAREN, H. S. Nov. 1, 1937, No. 29847. Convention date, June 22. [Classes 7 (ii) and 7 (vi)] In an engine having a rotary valve bearing on the resiliently - mounted cylinders, the valve 29 formed with inlet ports 35 and exhaust ports 37 is arranged between a stationary core 43 and an outer casing formed by the upper ends of the cylinders 7 and a cap 23, the core being formed with an axial passage 46 and radial ports 48 for the admission of the charge, and fitted with a spring-pressed packing-strip 55 which presses the core into contact with the valve at the cylinder side. The upper ends of the cylinder units are made of rectangular form to provide surfaces 15 which abut at their ends against each other so as to constitute a continuous cylindrical bearing for the underside of the valve. The cylinder liners 7 are screwed at their upper ends into the cylinder heads and project at their lower ends through flanges 8 on the jackets and through openings 21 in the crank-case 19, springs 26 being fitted to press the cylinders against the valve. The liner, jacket, and cylinder head may be integral. The cylinders are mounted side-by-side in an outer casing 17 secured to the crank-case. The valve 29 is formed with enlarged portions 25, Fig. 3, in which are cut the exhaust ports 37, which open at their ends into the annular grooves 39 communicating with corresponding grooves 40 in the cap 23 leading to the exhaust manifold 42. The valve is provided with shields 81 of high-conductivity metal opposite the exhaust ports 37. It may also be made in sections coupled by dogs 84, Fig. 3. The core 43 is formed with cooling-passages extending around the charge-inlet passage 46, and water is supplied thereto from the cylinder jackets, or air is caused to flow therethrough. Cooling- water is supplied to the cylinder jackets from a manifold 62 by branches 63 connected flexibly at 65 to the jackets, apertures 64 being provided to allow for the resilient movement of the cylinders. From the upper ends of the jackets, the water flows through flexibly connected elbow tubes 66 into the valve cap 23. Spark plugs 76 are mounted in pockets 77, bushes 79 being screwed into the casing 17 to afford access to the plugs and to contact with the ends of the pockets. In the modification shown in Fig. 9, the packing-strip in the stationary core is replaced by a roller 55a, and the exhaust escapes into annular grooves connected to passages 105 leading to the exhaust pipe. The valve is cooled by air passing through the hollow.core, which is formed with cooling-ribs 99, the air being passed on to the carburetter. The cylinder liner 7 is screwed into the crank-case, and has sliding engagement at 92 with an outer casing 93 integral with the cylinder head and pressed upwards by springs 26. Bolts 97 passing through these springs connect the crank-case to the valve cap 23. Lubricating.-The valve is lubricated by oil supplied to the recesses in the central core which house the packing strip 55, Fig. 2, or roller 55a, Fig. 9.
Patent GB-1006915-A (GB)
Title: Multiple-terminal strip for electrical switchboards
IPC: H01R9/26
Filed: 1963-07-29
Abstract: 1,006,915. Terminal boards and blocks. J. EISERT. July 29, 1963 [Nov. 17, 1962], No. 29936/63. Heading H2E. A terminal strip for a switchboard comprises individual terminal members 1 (Fig. 5), each contained in its own hollow insulating body 2, the bodies being joined together by a flexible connecting strip 3 (Fig. 6), attached to the heads of the bodies in such a way that when the strip is straight the individual bodies are in contact with each other, the flexible strip 3 securing the members 1 in the hollow bodies. Each insulating body 2 has a central waist portion, which laterally secures the terminal member 1, which is correspondingly shaped, and is formed with locating projections 6A, 6B along head and foot ends, which engage in recesses 6C, 6D of adjacent bodies. A number of bodies 2 may be joined together by the use of the resilient connecting strip 3 (Fig. 6) which may be of rubber or a plastics material, whose retaining portions 9 are fitted between the bearing faces 6 of a body 2, the ears 10 snapping into recesses 8. The recesses 11 between adjacent retainers 9 receive the walls of adjacent bodies. Additional projections 12 may be provided in the retaining portions 9 (Fig. 4, not shown). A terminal strip of this type may be wound into a spiral (Fig. 7, not shown), and is easily transportable. Lengths of terminal strip may be attached rigidly to a board 5 by adhesives (applied to the feet 7 of the bodies 2) or by the use of end-pieces 4 (Fig. 1), which are provided with screws and fit on to the endmost bodies 2 of a terminal strip. The strip 3 is grooved at 12 (Fig. 4, not shown), to receive a stiffening strip 18 which may act as an identification label. The retaining portions 9 may be studshaped.
Patent GB-1242329-A (GB)
Title: Dredging plant with compressed air pump and digging shovel for dredging muddy and sandy soundings, even of a compact texture
Inventor: FALDI GIOVANNI
IPC: E02F3/90
Filed: 1969-06-13
Abstract: 1,242,329. Dredging. G. FALDI. 13 June, 1969 [17 June, 1968], No. 30023/69. Heading E1F. A dredging plant comprises a submerged pump 5 having more than one pump chamber connected via piping 4 and distributor 3 to a source 6 of compressed air, and a shovel 7 connected by elbow tubes 10 to the inlets of the pump chamber. The shovel is toothed and may have compressed air or water nozzles. As shown the pump and shovel are fixed to a telescopable tube 13 pivotally carried by a boom 14. Alternatively the pump and tool may be suspended by ropes and dragged along the bottom.
Patent GB-1533698-A (GB)
Title: Zinc electrodes for secondary batteries and methods of making such electrodes
IPC: H01M4/24
Filed: 1977-07-18
Abstract: 1533698 Zn electrodes for secondary batteries YARDNEY ELECTRIC CORP 18 July 1977 [27 July 1976] 30055/77 Heading H1B A Zn electrode of a Zn-oxygen, -Ag or -mercuric oxide cell includes a titanate.
Patent GB-140728-A (GB)
Title: Apparatus for use in playing a game
IPC: A63F7/00
Filed: 1919-12-02
Abstract: 140,728. Jarvis, J. J. Dec. 2, 1919. Addition to 139,434. Games of chance.-The apparatus described. in the parent Specification is provided with inclined rails or shoots h for feeding the balls to the central orifice i above the rotating receptacle E. When the receptacle is empty, the rotary inclined floor e and stem g rock into the position shown by dotted lines and the ball falls into the receptacle and subsequently passes out at the orifice e<1>. The stem g when inclined engages, during its rotation, a spring-pressed striker and sounds a bell G.
Patent GB-779827-A (GB)
Title: An improved gasoline composition
IPC: C10L1/22
Filed: 1954-10-19
Abstract: 1,2-substituted imidazolines in which the 1-substituent is an aliphatic radical containing not more than 6 carbon atoms, and which may contain a terminal -OH or -NH2 group, and the 2-substituent is an acyclic hydrocarbon radical containing 11-17 carbon atoms, may be prepared by reacting a fatty acid containing 12-18 carbon atoms with a polyalkylene polyamine or the N-(ethylene oxide) derivatives of ethylene diamine under such conditions as to remove 2 mols. of water. Fatty acids referred to are lauric, myristic, palmitic, linoleic, stearic and oleic acids. Imidazolines referred to are 1-(2 - hydroxy - ethyl) - 2 - heptadecenyl - imidazoline and 1-(2-aminoethyl)-2-heptadecenyl-imidazoline.  Imidazoline bicarbonates may be prepared by saturating a solution of imidazoline, or a solution thereof in a hydrocarbon solvent, and an excess of water with carbon dioxide.  In the example 1-(hydroxyethyl)-2-heptadecenyl-imidazoline, toluene and water are mixed and the solution saturated with carbon dioxide at room temperature.  1-(Aminoethyl)-2-heptadecenyl - imidazoline bicarbonate and 1-(hydroxyethyl) - 2 - heptadecenyl acetate, chloride and formate are also referred to.ALSO:A gasoline composition comprises a hydrocarbon base fuel boiling in the gasoline range and a minor proportion of a 1, 2 - substituted imidazoline bicarbonate, in which the 1 - substituent is an aliphatic radical containing not more than 6 carbon atoms, and the 2 - substituent is an acyclic hydrocarbon radical containing 11-17 carbon atoms.  The acyclic hydrocarbon radical may be derived from lauric, myristic, palmitic, linoleic, stearic or oleic acid.  Imidazolines referred to are 1-(2-hydroxyethyl) - 2 - heptadecenyl - imidazoline - 2 and 1 - (2 - aminoethyl) - 2 - heptadecenylimidazoline - 2.  A concentrate of 10-70 per cent of the bicarbonate in a hydrocarbon solvent may be added to the gasoline.  The gasoline may contain 0.0003-0.1 per cent of the bicarbonate.  From 0.05-0.5 per cent of a non-volatile oil such as mineral lubricating oil distillate may be added to the fuel.
Patent GB-486850-A (GB)
Title: Process of producing washing, emulsifying and dispersing agents
Filed: 1936-11-05
Abstract: Products stated to have emulsifying properties are prepared by treating aliphatic oxido sulphonic acids having not more than six carbon atoms in the molecule with fatty, resin or naphthenic acids having at least eight carbon atoms in a carbon chain.  In an example, dry sodium 2 : 3-oxido-propane-1-sulphonate is heated with technical stearine.  The use of oleic, colophonic and naphthenic acid is mentioned.  The Specification as open to inspection under Sect. 91 comprises also (a) the formation of the aliphatic oxidosulphonic acids, in the form of salts during the reaction by treatment of the corresponding a -chlor-b -oxysulphonic acids with alkalies, and (b) the treatment of glycidylcetylether with alkali bisulphite, sodium sulphanilate or sodium phenolsulphonate.  This subject-matter does not appear in the Specification as accepted.ALSO:Products stated to have wetting, foaming, washing and emulsifying properties are prepared by treating aliphatic oxido sulphonic acids having not more than six carbon atoms in the molecule with fatty, resin or naphthenic acids having a carbon chain of at least eight carbon atoms.  In an example, dry sodium 2 : 3-oxidopropane-1-sulphonate diluted with common salt is heated with molten technical stearine.  The use of oleic, colophonic and naphthenic acid is mentioned.  The aliphatic oxido sulphonic acids may be prepared by treating aliphatic a -chlor-b -oxysulphonic acids with alkalies such as caustic alkali or potassium carbonate.  The Specification as open to inspection under Sect. 91 comprises also (a) the formation of the aliphatic oxidosulphonic acids, in the form of salts, during the reaction, and (b) the treatment of glycidyl cetylether with alkali bisulphites, sodium sulphanilate or siodium phenolsulphonate.  This subject-matter does not appear in the Specification as accepted.
Patent GB-691276-A (GB)
Title: Method of changing the concentration of solid particles in paper mill waste liquid
IPC: D06B13/00
Filed: 1950-12-11
Abstract: 691,276. Recovering fibres from white water of paper mills &c. BRUSH DEVELOPMENT CO. Dec. 11, 1950. [Feb. 21, 1950] No. 30222/50. Drawing to Specification. Class 96. To increase the concentration, in one portion of a paper mill waste liquid, of suspended cellulosic &c. particles, the liquid having gas dissolved in it, rapid pressure variations, e.g. at supersonic frequency, and of sufficient amplitude to cause a portion of the liquid to become supersaturated with gas in a portion of the cycle of the pressure variations, are applied to cause gas bubbles to form on some of the particles, and carry them upwardly, thus concentrating at least the cellulosic particles in an upper portion of the liquid. The particles may be skimmed from the surface of the liquid, which may have gas bubbled through it. The liquid remaining after skimming &c. may be recycled with untreated liquid.